Home / 80,929,228.80-121,393,843.20-26,346,957.60

Finding the Fourth Proportional to 80,929,228.80, 121,393,843.20 and 26,346,957.60

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Solution

The fourth proportional to 80,929,228.80, 121,393,843.20 and 26,346,957.60 is: 39,520,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,929,228.80 : 121,393,843.20 = 26,346,957.60 : x
  2. Step 2: Convert to fraction form
    80,929,228.80/121,393,843.20 = 26,346,957.60/x
  3. Step 3: Cross multiply
    80,929,228.80x = 121,393,843.20 × 26,346,957.60
  4. Step 4: Simplify right side
    80,929,228.80x = 3,198,358,439,691,448.50
  5. Step 5: Solve for x
    x = 3,198,358,439,691,448.50/80,929,228.80
  6. Step 6: Final answer
    x = 39,520,436.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.